Rims: WTB DX18 27.5'' (ETRTO 584), inner width: 18 mm - Anodized black finish - CNC machined sidewalls - Stainless steel eyelets - Rim wear indicator - Pinned joint - Drilled for Schrader valve - 36 holes Front hub: Shimano HB-M475 (Black) - 9x100mm - 6-Bolt Disc Mount - Adjustable Cup & Cone - Contact sealed hub - Quick Release Binder included Rear hub: Shimano FH-M475 (Black) - 10x135mm - 6-Bolt Disc Mount - Adjustable Cup & Cone - Contact sealed hub and freehub body - Quick Release Binder included - Compatible with 8,9,10 speed (MTB 11 speed requires 1.85mm spacer, not included) - Assembled in North America by experienced wheel builders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)